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Thread: Minimal MicroMod Carrier

  1. #1
    Senior Member brtaylor's Avatar
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    Minimal MicroMod Carrier

    I'm working on designing a very minimal MicroMod carrier board consisting of only:
    1. The Teensy 4 MicroMod
    2. A 3.3V regulator
    3. An MPU-9250 IMU
    4. A 4-pin serial connection

    I'm doing this to start gaining some experience with the Teensy 4 MicroMod format before working on more complex projects. Attached is a schematic.

    Specific questions:
    1. Do BATT_VIN, RTC_3V, or USB_VIN need to be connected to power?
    2. Are there recommended de-coupling caps? I just have some generic ones in the schematic for now.
    Attached Files Attached Files

  2. #2
    Senior Member+ mjs513's Avatar
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    Hi Brian
    Can’t give you specifics but guess I would start with https://learn.sparkfun.com/tutorials...h-micromod/all and look at ATP carrier board schematic.

  3. #3
    Senior Member BriComp's Avatar
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    You do realise that the MPU-9259 went EOL by 12/31/2018. Apparently it was replaced by the ICM-20948.

  4. #4
    Senior Member brtaylor's Avatar
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    Quote Originally Posted by BriComp View Post
    You do realise that the MPU-9259 went EOL by 12/31/2018. Apparently it was replaced by the ICM-20948.
    Yep, thanks. I have some MPU-9250 stock in-house.

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